there are two types of pleura: visceral pleura covers the lungs, parietal pleura lines the inner surfaces of the walls of pleural cavity; parietal pleura is sensitive to pain but visceral pleura is not sensitive to pain. pleura, cervical parietal.
How Thoughts Affect our Mood. Human beings are thinking creatures and every moment our minds are working and producing one thought or the other. No one knows how the thoughts are originated but they get their theme from our every day experiences. Thoughts are an integral part of our existence. As discussed in the other blog posts by the author, thoughts create feelings.
The interaction of the THC with the brain is what causes these feelings. To understand how marijuana affects the brain, you need to know about the parts of the brain that are affected by THC. Here are the basics: 1  Neurons are the cells that process information in the brain. 2  Chemicals called neurotransmitters allow neurons to communicate with each other.